feat(mobile): album management pages with qr share

Co-Authored-By: Claude Code <noreply@anthropic.com>

apps/mobile/lib/pages/home_page.dart

@@ -3,6 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../core/api_client.dart';
 import '../l10n/app_localizations.dart';
+import 'albums_tab.dart';
 
 /// 主壳：底部导航（相册 / 队列 / 设置）。
 class HomePage extends StatefulWidget {
@@ -53,25 +54,6 @@ class _HomePageState extends State<HomePage> {
   }
 }
 
-/// 相册列表（桩）。Task 4：游标分页、创建/编辑、二维码分享。
-class AlbumsTab extends StatelessWidget {
-  const AlbumsTab({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    final l10n = AppLocalizations.of(context);
-    return Scaffold(
-      appBar: AppBar(title: Text(l10n.albums)),
-      body: Center(
-        child: Text(
-          l10n.albums,
-          style: Theme.of(context).textTheme.headlineSmall,
-        ),
-      ),
-    );
-  }
-}
-
 /// 上传队列（桩）。Task 6/9：状态机展示、筛选与重试。
 class QueueTab extends StatelessWidget {
   const QueueTab({super.key});